# Relationship history for MSHA mine 5001031

Current hierarchy: **Drake  Fincannon; John  Reid; George  Young → Frontier Mining, LLC → Maine Monroeville**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Alaska Gold Company → Maine Monroeville; 1950-01-01 to 1979-11-25; source msha-controller-operator-history
- **controller_controls_mine:** U V Industries Inc → Maine Monroeville; 1950-01-01 to 1979-11-25; source msha-controller-operator-history
- **controller_controls_operator:** U V Industries Inc → Alaska Gold Company; 1950-01-01 to 1979-11-25; source msha-controller-operator-history
- **operator_operates_mine:** Alaska Gold Company → Maine Monroeville; 1979-11-26 to 1990-12-27; source msha-controller-operator-history
- **controller_controls_mine:** NVF Company → Maine Monroeville; 1979-11-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** NVF Company → Alaska Gold Company; 1979-11-26 to 1990-12-27; source msha-controller-operator-history
- **operator_operates_mine:** Alaska Gold Company → Maine Monroeville; 1990-12-28 to 1999-04-25; source msha-controller-operator-history
- **controller_controls_mine:** Mueller Industries Inc → Maine Monroeville; 1990-12-28 to 1999-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Mueller Industries Inc → Alaska Gold Company; 1990-12-28 to 1999-04-25; source msha-controller-operator-history
- **operator_operates_mine:** Alaska Gold Company → Maine Monroeville; 1999-04-26 to 2011-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Novagold Resources Inc → Maine Monroeville; 1999-04-26 to 2012-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Novagold Resources Inc → Alaska Gold Company; 1999-04-26 to 2011-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Nome Gold Alaska Corporation → Maine Monroeville; 2011-03-11 to 2016-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Nome Gold Company → Maine Monroeville; 2011-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nome Gold Company → Nome Gold Alaska Corporation; 2011-03-11 to 2016-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Bering Straits Native Corporation → Maine Monroeville; 2012-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bering Straits Native Corporation → Alaska Gold Company; 2012-11-01 to 2011-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Arctic Gold Mining LLC → Maine Monroeville; 2016-11-15 to 2021-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Salna et al → Maine Monroeville; 2016-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Salna et al → Arctic Gold Mining LLC; 2016-11-15 to 2021-05-31; source msha-controller-operator-history
- **controller_controls_operator:** David  Young et al → Arctic Gold Mining LLC; 2016-11-15 to 2021-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Aurgold LLC → Maine Monroeville; 2021-06-01 to 2026-07-20; source msha-controller-operator-history
- **controller_controls_mine:** Douglas  Baker et al → Maine Monroeville; 2021-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Douglas  Baker et al → Aurgold LLC; 2021-06-01 to 2026-07-20; source msha-controller-operator-history
- **controller_controls_operator:** Bonnie  Baker et al → Aurgold LLC; 2021-06-01 to 2026-07-20; source msha-controller-operator-history
- **operator_operates_mine:** Frontier Mining, LLC → Maine Monroeville; 2026-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  Reid → Maine Monroeville; 2026-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Reid → Frontier Mining, LLC; 2026-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George  Young → Frontier Mining, LLC; 2026-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Drake  Fincannon → Frontier Mining, LLC; 2026-07-21 to current/open; source msha-controller-operator-history